Recruiting

N/A

1000

RoW

early health warning intervention

Peking University First Hospital, The Second Hospital of Hebei Medical University, Henan Provincial People's Hospital, Second Hospital of Jilin University, First Affiliated Hospital Xi'an Jiaotong University, Shandong Provincial Hospital, Shanxi Bethune Hospital, Tianjin Medical University General Hospital, The Affiliated Hospital of Inner Mongolia Medical University, The First Hospital of Qinhuangdao

Smoking Cessation

12/22

12/22